On Running recreate their popular Cloud sneakers for teens with the Cloud Sky. Lightweight and flexible, the performance shoes are infused with the athletic brand's running tech to ensure freedom of movement and comfort for active feet. Constructed from a durable and sustainable recycled polyester, the footwear has been crafted with teens biometrics in mind, allowing for the proper support for their growing needs. Recycled Polyester CloudTec Shape for Extra Comfort Lightweight Design Extra Flexible Speedboard Tech Zero-gravity Midsole Durable Rubber Outsole All Day Performance CollectionOn Running Size GuideEU: 27.5 | UK: 10 | 16.7cmEU: 28.5 | UK: 10.5 | 17.1cmEU: 29 | UK: 11 | 17.6cmEU: 29.5 | UK: 11.5 | 18cmEU: 30 | UK: 12 | 18.4cmEU: 31 | UK: 12.5 | 18.8mEU: 31.5 | UK: 13 | 19.2cmEU: 32 | UK: 13.5 | 19.7cmEU: 33 | UK: 1 | 20.1cmEU: 33.5 | UK: 1.5 | 20.5cmEU: 34 | UK: 2 | 20.9cmEU: 35 | UK: 2.5 | 21.4cm